Is that in reference to the Vero 4K+, if so you should probably google some before you make ignorant statements. The Vero OS is a custom built minimal Linux with tailored Kodi front end over the top, 2GB memory is plenty, it is hands down the best off the shelf home media library streamer available with one of the best and accessible dev teams there is, has regular updates and a community that lacks the normal arrogant ***** these sort of communities normally attract.
The Shield was good but has progressively got worse and worse with each iteration of the Shield Experience only ever fixing a few bugs and constantly adding more whilst ignoring the (albeit a fairly toxic) community and telling lies in the bargain. Even Google have very little love for Android TV. My two now sit on a shelf gathering dust and only ever get plugged in when a new SE is released only to be quickly thrown back on the shelf again.
All I will say is do a side by side image and colorimetry comparison between the Vero 4K+ and a Shield running Kodi, it's not even close.
The new Shield may bring something to the table with the Tegra X1+, Dolby Vision and possibly VP9p2 etc. but it is still handicapped by the awful Android image and colour management limitations compared to Linux.